Inputs 28 and 29 not responding--7i76e
09 May 2021 05:23 #208356
by tcninja
Inputs 28 and 29 not responding--7i76e was created by tcninja
Hello,
I have a 7i76e with limit switches going from in25 thru in31
as stated in title 28 and 29 are not working(not responding to 24v applied)
27 and 30 work as expected
I have inverted them and no luck
Im in the testing stages with the board on my bench.
I've tried to change their function (switched to manual spindle cw and jog button inputs)
using Halshow i can see they dont respond no matter their function
I can easily work around this but Im hoping someone will shed some light on this
As soon as i get an email from Mesa that the 7i73s are done I can work around it
Thanks
TC
I have a 7i76e with limit switches going from in25 thru in31
as stated in title 28 and 29 are not working(not responding to 24v applied)
27 and 30 work as expected
I have inverted them and no luck
Im in the testing stages with the board on my bench.
I've tried to change their function (switched to manual spindle cw and jog button inputs)
using Halshow i can see they dont respond no matter their function
I can easily work around this but Im hoping someone will shed some light on this
As soon as i get an email from Mesa that the 7i73s are done I can work around it
Thanks
TC
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09 May 2021 11:39 #208366
by tommylight
Replied by tommylight on topic Inputs 28 and 29 not responding--7i76e
Try connecting one of the working sensors to those inputs.
If only those two are not working, probably dead from over voltage or wiring issues.
If only those two are not working, probably dead from over voltage or wiring issues.
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09 May 2021 14:59 #208379
by PCW
Replied by PCW on topic Inputs 28 and 29 not responding--7i76e
Can you verify (with halshow) that
hm2_7i76e.0.7i76.0.0.input-28
hm2_7i76e.0.7i76.0.0.input-29
Reads 0 when you can read 24V on the 7I76E inputs
28 and 29 (at 7I76E TB5 pins 13,14) relative to field
power common?
hm2_7i76e.0.7i76.0.0.input-28
hm2_7i76e.0.7i76.0.0.input-29
Reads 0 when you can read 24V on the 7I76E inputs
28 and 29 (at 7I76E TB5 pins 13,14) relative to field
power common?
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09 May 2021 17:15 #208396
by tcninja
Replied by tcninja on topic Inputs 28 and 29 not responding--7i76e
Attachments:
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09 May 2021 18:25 #208399
by PCW
Replied by PCW on topic Inputs 28 and 29 not responding--7i76e
Yeah the terminal block screw is not necessarily connected to the
7I76E until its tightened.
7I76E until its tightened.
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09 May 2021 20:52 #208417
by tommylight
Replied by tommylight on topic Inputs 28 and 29 not responding--7i76e
Nice "etch a sketch" !
![:) :)](/media/kunena/emoticons/smile.png)
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09 May 2021 22:11 #208426
by tcninja
Replied by tcninja on topic Inputs 28 and 29 not responding--7i76e
Thanks! Thought an etch a sketch was a cooler way of testing than a piece of tape on a motor shaft.
Thanks again for the fast responses
This site is an incredible resource
TC
Thanks again for the fast responses
This site is an incredible resource
TC
The following user(s) said Thank You: tommylight
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10 May 2021 09:04 #208466
by bevins
Replied by bevins on topic Inputs 28 and 29 not responding--7i76e
Must be a bit heavy to turn upside down and shake....
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10 May 2021 11:23 #208473
by tcninja
Replied by tcninja on topic Inputs 28 and 29 not responding--7i76e
You are 100% correct. I didn’t think that thru.
My seven year old daughter thinks it’s cool and likes to use it but dad has to come erase it.
I tell myself I don’t need the gym now
My seven year old daughter thinks it’s cool and likes to use it but dad has to come erase it.
I tell myself I don’t need the gym now
![:) :)](/media/kunena/emoticons/smile.png)
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